630877790 has 16 divisors (see below), whose sum is σ = 1140457968. Its totient is φ = 251267136.

The previous prime is 630877789. The next prime is 630877801. The reversal of 630877790 is 97778036.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133052 + ... + 137711.

It is an arithmetic number, because the mean of its divisors is an integer number (71278623).

Almost surely, 2^630877790 is an apocalyptic number.

630877790 is a deficient number, since it is larger than the sum of its proper divisors (509580178).

630877790 is a wasteful number, since it uses less digits than its factorization.

630877790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271003.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 630877790 is about 25117.2807047260. The cubic root of 630877790 is about 857.6598494454.

The spelling of 630877790 in words is "six hundred thirty million, eight hundred seventy-seven thousand, seven hundred ninety".